docs: def forget_importer(name):
      '''
      forget_importer(name) yields True if an importer of type name was successfully forgotten from
        the neuropythy importers list and false otherwise. This function must be called before an
        importer can be replaced.
      '''
      global importers
      name = name.lower()
      if name in importers:
          importers = importers.discard(name)
          delattr(load, name)
          return True
      else:
          return False